package com.wang.controller;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Date;

@WebServlet("/hello")
public class HelloServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
        String currentTime = dateFormat.format(new Date());
        request.setAttribute("currentTime", currentTime);
        String servletPath = request.getServletPath();

        //转发
//        request.getRequestDispatcher("/hello.jsp").forward(request,response);

        // 重定向到http://localhost:8080/JavaWeb/hello.jsp
        // 重定向丢失了request中的属性
        response.sendRedirect(request.getContextPath() + "/hello.jsp");
    }

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        super.doPost(request, response);
    }
}
